| super-marginal gain there may be due to the larger diameter throttlebody, the losses in drivability combined with the lackluster reliability of units on the market make this upgrade a thumbs-down loser in my opinion. FWIW, there was more deviation in power/torque in a car making 650+RWHP as it heatsoaked from run to run compared to the difference we saw when comparing STOCK throttlebodies to the STANZA 60mm throttlebodies. The difference is only seen when averaging the results and even then, the standard deviation was larger than the difference between the two setups..... and no one even sells the 60mm versions we did our testing with. I have dyno results that clearly back up my statements here. I dont think there is ANYONE who has done any empirical testing that compares JUST the throttlebodies to each other. Even still, the performance gain is only one aspect. The qualitative nature of drivability is something else that anyone having experience with them that are at least in their 30s will tell you they suck to drive....
Enthusiasts soon understand each other. --W. Irving.
Are you an enthusiast? If you are out to describe the truth, leave elegance to the
tailor.
Albert Einstein
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